Electronic Test and Measurement Instrument, Watthour Meter Test & Calibration System

Product Description
The instrument is a precision AC energy meter testing instrument, mainly used to test three phase energy meter error on site and measure various of AC parameters.



Features and Functions
Three phase active or reactive electricity energy meter;
Calibrate three phase, single phase, active or reactive meter error;
Measure U(voltage) of three phase or single phase;
Measure I(current) of three phase or single phase;
Measure active power of three phase or single phase;
Measure reactive power of three phase or single phase;
Measure apparent power of three phase or single phase;
Measure power factor of three phase or single phase;
Measure phase angle between voltage and current;
Measure frequency of power line;
Display vector diagram;
Display waveform of U and I;
Analyze and display content of harmonic of U and I;
Store and display measured data;
Optional 5A, 20A, 100A, 500A, 1000A, 2000A, 3000A current clamp;
Measure CT variable ratio;
Measure the ratio or lag-angle of low-voltage transformer.
Adopt 32 bit ARM processor, multi-channel 16 bit precision A/D convertor, high resolution TFT color LCD;
Inner equipped with 0.01% wide-range current transformer and can be equipped with various type current clamps, wide range of measurement and high veracity.
Low consumption circuit design, high energy Li batter supply, intellectual power management software, which make the instrument can continuously work up to 10 hours.

Test Voltage
Range	5V - 480V
Error	± 0.05% (30V - 480V) ± 0.1% (5V - 30V)
Harmonic	2 nd -- 63 st
Test Current
Range (direct connection)	5mA - 20A
Error (direct connection)	± 0.05% (100mA - 20A) ± 0.1% (10mA - 100mA)
Range (Clamp CT)	10mA - 3000A
Error (Clamp CT)	± 0.2% (100mA - 3000A) ± 0.5% (10mA - 100mA)
Harmonic	2 nd -- 63 st
Power measure error
Active power (direct connection)	± 0.05% (0.1A - 20A) ± 0.1% (0.01A - 0.1A)
Reactive power (direct connection)	± 0.1% (0.1A - 20A)
Energy measure error
Active energy (direct connection)	± 0.05% (0.1A - 20A) ± 0.1% (0.01A - 0.1A)
Reactive energy (direct connection)	± 0.1% (0.1A - 20A)
Phase angle
Range	0º - 360º
Error	± 0.05º
Frequency
Range	45Hz - 65Hz
Pulse output
Energy constant	180000imp/kWh\1800imp/kWh\18imp/kWh
Pulse ratio	1: 1
Output level	5V
Pulse input
Input channel	1
Input level	5 - 24V
Input frequency	Max. 2MHz
Display
Resolution	6" TFT (640× 480)
Function
Vector diagram	Yes
Waveform	Yes
Energy accumulation	Yes
Communication port	RS232
Communication with PC	Yes
Other
Voltage Supply way	External power
Voltage Supply 1	220V ± 10%, 50/60Hz ± 2Hz
Voltage Supply 2	Li-polymer battery, size: 110X51X16mm Nominal output voltage: 7.2V, Capacity: 5000mAh.
Ambient temperature	-10 -- 55degrees
Relative humidity	15% -- 85%
Instrument Dimensions (W × H × D) (mm)	245× 162× 60
Carry Case Dimensions (W × H × D) (mm)	450× 320× 185
Weight (kg)	1.7kg